Location-based services (LBS) can present the optimal information and services to users based on their locations. This will improve their experience. However, this may also arouse users’ privacy concern and increase their perceived privacy risk. From both perspectives of flow experience and perceived risk, this research examined user adoption of LBS. We conducted data analysis with structural equation modeling. The results indicated that contextual offering affects trust and flow, whereas privacy concern affects trust and perceived risk. Trust, flow and perceived risk affect the usage intention. Among them, flow has a relatively larger effect.